CN208459272U - A kind of double spectrum detection devices - Google Patents
A kind of double spectrum detection devices Download PDFInfo
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- CN208459272U CN208459272U CN201821267615.0U CN201821267615U CN208459272U CN 208459272 U CN208459272 U CN 208459272U CN 201821267615 U CN201821267615 U CN 201821267615U CN 208459272 U CN208459272 U CN 208459272U
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- infrared light
- ultraviolet
- gas compartment
- gas
- detector
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Abstract
The utility model discloses a kind of double spectrum detection devices, including cabinet, gas compartment is equipped in the cabinet, ultraviolet photodetection assembly and infrared light detection component, the ultraviolet photodetection assembly includes ultraviolet source and UV detector, the ultraviolet light that the ultraviolet source generates is injected in gas compartment and is exported after multiple reflections to UV detector and accordingly detected, the infrared light detection component includes infrared light supply and infrared light detector, the infrared light that the infrared light supply generates is injected in gas compartment and is accordingly detected through multiple reflections and exporting to infrared light detector, the ultraviolet photodetection assembly and infrared light detection component can be worked at the same time or individually be worked.The utility model has the double spectroscopic ways of infrared light and ultraviolet light and the high beneficial effect of testing result accuracy.
Description
Technical field
The utility model relates to environmental testing more particularly to a kind of double spectrum detection devices.
Background technique
Fixed-end forces, waste incineration, ship tail gas discharge etc. are nitrogen oxides, sulphur an important factor for constituting atmosphere pollution
Oxide, organic matter etc. can directly affect global climate and environment for human survival.It is used for industrial pollution source cigarette in the prior art
FTIR spectrum technology is used in gas pollutant concentration on-line monitoring technique in gas discharge and production.But Fourier
Infrared spectrum technology has the following defects, and when containing more steam in flue gas, FTIR spectrum will receive water vapor absorption
The interference at peak and the effective information that can not accurately identify and calculate constituent part, lead to the testing result of FTIR spectrum
Error it is larger.
Utility model content
The purpose of this utility model is to provide one kind to have infrared light and the double spectroscopic ways of ultraviolet light and detection knot
The high double spectrum detection devices of fruit accuracy.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution:
A kind of double spectrum detection devices, including cabinet are equipped with gas compartment, ultraviolet photodetection assembly and red in the cabinet
Outer photodetection assembly, the ultraviolet photodetection assembly include ultraviolet source and UV detector, what the ultraviolet source generated
Ultraviolet light is injected in gas compartment and is exported after multiple reflections to UV detector and accordingly detected, the infrared light detection
Component includes infrared light supply and infrared light detector, and the infrared light that the infrared light supply generates is injected in gas compartment and through repeatedly anti-
It penetrates and exports to infrared light detector and accordingly detected, the ultraviolet photodetection assembly and infrared light detection component can works simultaneously
Make or individually works.
Preferably, the gas compartment has air inlet and air outlet, and it is same that the air inlet and air outlet are set to gas compartment
Side and the air inlet and air outlet are respectively set and are all provided in the both ends of gas compartment, and at the air inlet and air outlet
It is equipped with heat tracing pipe.
Preferably, it is provided with ultraviolet optics window on the gas compartment, ultraviolet reflectance microscope group is provided in the gas compartment
Part, the ultraviolet reflectance mirror assembly include three pieces of ultraviolet reflectance mirrors being arranged at triangular shape, and the ultraviolet light is through ultraviolet optics window
Mouth is exported again by optical window to UV detector after three pieces of ultraviolet reflectance mirror multiple reflections after injecting.
Preferably, it is provided with infrared light inlet and infrared light-emitting window on the gas compartment, is provided in the gas compartment red
External mirror component, the infrared external reflection mirror assembly are the two infrared parabolic mirrors being oppositely arranged, and are also set on the cabinet
It is equipped with interferometer, infrared light is incident upon in gas compartment and in two infrared parabolic reflectors by interferometer and by infrared light inlet
Multiple reflections between mirror are finally projected by infrared light-emitting window to infrared light detector.
Preferably, temperature controller is provided on the cabinet, the temperature controller detects respectively and controls gas compartment and heat tracing pipe
Interior temperature.
Preferably, the temperature controller includes temperature controller one and temperature controller two, and the outer surface of the gas compartment is provided with and temperature
Control the heating plate and temperature sensor one that device one is electrically connected, the heating plate be set to the bottom of gas compartment and the heating plate with
Setting is close in the bottom surface of the gas compartment, and the heat tracing tube outer surface is provided with the heater strip being electrically connected with temperature controller two and temperature
Sensor two.
Preferably, the outer surface of the gas compartment and heat tracing pipe is coated with insulating layer.
Preferably, the blower for cooling down infrared light supply, the blower face infrared light supply are additionally provided on the cabinet
Setting.
Preferably, the transmitter for acquiring gas indoor oxygen content is inserted on the gas compartment, the transmitter
One end is protruded into gas compartment.
Preferably, the cabinet is equipped with display screen, the display screen and transmitter, UV detector and infrared light
Detector electrical connection.
Compared with prior art, the utility model has the beneficial effects that the utility model includes cabinet, set in the cabinet
There are gas compartment, ultraviolet photodetection assembly and infrared light detection component, the ultraviolet photodetection assembly and infrared light detection group
Part can work at the same time and each gas component content in detection gas pollution sources, the advantages of this arrangement are as follows, due to ultraviolet spectra
Technology is not interfered by the measurement of steam, and the gases such as SO2, NO, NO2 in gaseous contamination source can be measured by ultraviolet photodetection assembly
Content, other gas contents in infrared light detection component detection gaseous contamination source effectively increase each in gaseous contamination source
The accuracy of gas component detection.
Detailed description of the invention
Fig. 1 is structural schematic diagram described in the utility model；
Fig. 2 is partial structure diagram described in the utility model；
Fig. 3 is the utility model mid-infrared light road schematic diagram；
Fig. 4 is UV light path schematic diagram in the utility model；
Marked the names of the parts are as follows in figure:
1, cabinet；11, gas compartment；111, air inlet；112, gas outlet；113, ultraviolet optics window；114, it is infrared enter light
Mouthful；115, infrared light-emitting window；2, ultraviolet source；21, UV detector；22, ultraviolet reflectance mirror；3, infrared light supply；31, infrared
Photodetector；32, infrared parabolic mirror；4, interferometer；41, heat tracing pipe；5, temperature controller one；51, heating plate；6, temperature controller
Two；61, heater strip；7, insulating layer；8, blower；9, transmitter；10, display screen.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figures 1 to 4, a kind of double spectrum detection devices, including cabinet 1, be equipped in the cabinet 1 gas compartment 11,
Ultraviolet photodetection assembly and infrared light detection component, the ultraviolet photodetection assembly and infrared light detection component energy while work
Make and each gas component content in detection gas pollution sources, the advantages of this arrangement are as follows, by by ultraviolet photodetection assembly and
Infrared light detection component is set in same gas compartment 11, wherein the detectable wave-length coverage of infrared light is 2.5 μm of -25 μ
M, the ultraviolet detectable wave-length coverage be 100nm-400nm, and ultraviolet spectra be in molecule valence electron occur transition and
It generates.Ultraviolet spectral technique is not interfered by the measurement of steam, can accurately measure the gas such as SO2, NO, NO2 in gaseous contamination source
The content of body, thus by the content of SO2, NO and NO2 in ultraviolet light detection gas pollution sources, and pass through infrared light detection gas
In addition to the content of other gases of SO2, NO and NO2 in pollution sources, effectively avoid directly directly examining by infrared light in the prior art
Steam when survey in gaseous contamination source interferes the accuracy of the testing result of SO2, NO and NO2 content, to guarantee gas
The accuracy of each gas component detection in body pollution source.
Preferably, the cabinet 1 includes cabinet and bottom plate arranged in the box body, and the bottom plate is aerial to be set to cabinet
Interior, setting in this way guarantees that the fixed connecting line between plate upper surface and each component of each component of this double spectrum detection device is set
It is placed in lower surface of base plate and cabinet wall between the two, to ensure that each arrangement of parts is neat in cabinet, while also facilitating
The maintenance in each component later period.
Preferably, the ultraviolet photodetection assembly includes ultraviolet source 2 and UV detector 21, the ultraviolet source 2
The ultraviolet light of generation, which is injected in gas compartment 11 and exported after multiple reflections to UV detector 21, carries out gas detection, described
Infrared light detection component includes infrared light supply 3 and infrared light detector 31, and the infrared light that the infrared light supply 3 generates injects gas
It in room 11 and through multiple reflections and exports to the progress gas detection of infrared light detector 31, is existed in this way by purple light light and infrared light
It multiple reflections and exports to form corresponding spectrum in gas compartment 11, improves the accuracy of testing result in this way.
Further, the gas compartment 11 has air inlet 111 and gas outlet 112, the air inlet 111 and gas outlet
112 are set to 11 the same side of gas compartment and both ends with gas compartment 11, gas is respectively set in the air inlet 111 and gas outlet 112
Body pollution is originated from air inlet 111 and is directed into gas compartment 11 and exports gas compartment 11 by gas outlet 112, and setting in this way ensure that
Gaseous contamination source can come into full contact in gas compartment 11 with ultraviolet light and infrared light, avoid ultraviolet light and infrared light and gas is dirty
Dye source insufficient contact and influence testing result phenomenon, to ensure that the accuracy of testing result.
Further, it is provided with heat tracing pipe 41 at the air inlet 111 and gas outlet 112, the heat tracing pipe 41 can be right
Gaseous contamination source carries out pre-add heat treatment, avoids moisture condensation in gaseous contamination source and blocks heat tracing pipe 41, to guarantee this reality
With novel normal work.
Preferably, temperature controller is provided on the bottom plate, the temperature controller can detect respectively and control gas compartment 11 and companion
Temperature in heat pipe 41, the in this way temperature effectively in control gas compartment 11 and heat tracing pipe 41, to reduce ultraviolet light and infrared light
Detection error, to improve the accuracy of testing result；Temperature in the gas compartment 11 and heat tracing pipe 41 is controlled 175
DEG C -185 DEG C, in the present embodiment, the temperature in the gas compartment 11 and heat tracing pipe 41 is controlled at 180 DEG C, is provided in this way
It imitates the moisture condensation prevented and influences the accuracy that detection was met.
Further, the temperature controller includes temperature controller 1 and temperature controller 26, the outer surface setting of the gas compartment 11
There are the heating plate 51 being electrically connected with temperature controller 1 and temperature sensor one, specifically since thermal current rising principle is to this reality
The heating plate 51 described in novel is set to the bottom of gas compartment 11 and the heating plate 51 and the bottom surface of the gas compartment 11 are tight
It is sticked and sets, the uniformity of the heating in setting guarantee gas compartment 11, the temperature sensor one are set to gas compartment 11 in this way
On side wall, during the work time, the temperature sensor one can monitor the temperature in the gas compartment 11 in real time and feed back to temperature
Device 1 is controlled, so that temperature controller 1 controls the starting of heating plate 51 or stops keeping the temperature in gas compartment 11 to be in 180 DEG C.
The outer surface of heat tracing pipe 41 is provided with heater strip 61 and temperature sensor two, and the heater strip 61 is wound on companion
41 outer surface of heat pipe, in this way setting ensure that the uniformity that heater strip 61 heats heat tracing pipe 41, during the work time, the temperature
Degree sensor two can monitor the temperature in the heat tracing pipe 41 in real time and Real-time Feedback is to temperature controller 26, so that temperature controller 26 is controlled
The starting of heater strip 61 processed stops keeping the temperature in gas compartment 11 to be in 180 DEG C.
Preferably, the outer surface of the gas compartment 11 and heat tracing pipe 41 is coated with insulating layer 7, and the insulating layer 7 is set
It is set effective the loss for reducing gas compartment 11 and the heat in heat tracing pipe 41, reduces the waste of resource, while the setting of insulating layer 7
It ensure that the temperature in gas compartment 11 and heat tracing pipe 41 is stablized at 180 DEG C.
Preferably, it is provided with ultraviolet optics window 113 on the gas compartment 11, is provided in the gas compartment 11 ultraviolet anti-
Mirror assembly is penetrated, the ultraviolet reflectance mirror assembly includes three pieces of ultraviolet reflectance mirrors being arranged at triangular shape, and the ultraviolet light is through ultraviolet
Optical window 113 is exported again by optical window to ultraviolet light detection after three pieces of 22 multiple reflections of ultraviolet reflectance mirror after injecting
On device 21.Specifically, three pieces of rectangular triangles of ultraviolet reflectance mirror are set in gas compartment 11, and wherein two blocks of ultraviolet lights
Reflecting mirror 22 is linearly set in gas compartment 11 close to 113 side of ultraviolet optics window, another piece of ultraviolet light reflection mirror 22
It is set in gas compartment 11 far from 113 side of ultraviolet optics window, setting in this way extends between three pieces of ultraviolet reflectance mirrors 22
Optical path length, while ensure that ultraviolet luminous energy passes through multiple reflections between three pieces of ultraviolet reflectance mirrors 22, so that ultraviolet light and gas
Body pollution source is come into full contact with, and the accuracy of testing result is further ensured.
Further, the ultraviolet reflectance mirror 22 close to 113 side of ultraviolet optics window is parabolic mirror, and in addition two is purple
External mirror 22 is plane mirror.
Further, the ultraviolet optics window 113 realizes the injection and injection of ultraviolet light, and the benefit being arranged in this way exists
In the quantity for reducing optical window, to reduce manufacturing cost.
It should be understood that the ultraviolet optics window 113 may be set to be two, wherein a ultraviolet optics window 113
For the injection of ultraviolet light, another ultraviolet optics window 113 is used for the injection of ultraviolet light.
It is provided with infrared light inlet 114 and infrared light-emitting window 115 on the gas compartment 11, is provided in the gas compartment 11
Infrared external reflection mirror assembly, the infrared external reflection mirror assembly include the two infrared parabolic mirrors 32 being oppositely arranged, the cabinet 1
On be additionally provided with interferometer 4, infrared light is incident upon in gas compartment 11 and two by interferometer 4 and by infrared light inlet 114
Multiple reflections between infrared parabolic mirror 32 are finally projected by infrared light-emitting window 115 to infrared light detector 31.
Preferably, described two infrared parabolic mirrors 32 be set to two sides in gas compartment 11 ultraviolet reflectance mirror 22 it
Between, setting in this way effectively prevents on the path length of infrared light and ultraviolet light that there are shelters, to not can guarantee ultraviolet
Photodetection assembly and infrared light detection component work at the same time the generation of phenomenon.
The blower 8 for cooling down infrared light supply 3 is additionally provided on the cabinet 1, the 8 face infrared light supply 3 of blower is set
It sets, such blower 8 can carry out effective temperature-reducing to infrared light supply 3, while the setting of blower 8 effectively accelerates the air stream in cabinet 1
Logical rate improves the service life of each component in cabinet 1 to also have cooling effect to other component in cabinet 1 in this way.
Transmitter 9 is inserted on the gas compartment 11, one end of the transmitter 9 is protruded into gas compartment 11, specifically, institute
Stating transmitter 9 is zirconium oxide transmitter 9, the oxygen content in the 9 energy detection gas room 11 of zirconium oxide transmitter.
Preferably, display screen 10, the display screen 10 and transmitter 9, UV detector 21 are provided on the cabinet 1
And infrared light detector 31 is electrically connected, such user can intuitively learn transmitter 9, ultraviolet light detection from display screen 10
The testing result of 31 three of device 21 and infrared light detector, thus the use for the person of being convenient to use, while it is practical also to improve this
Novel practicability.
As described above, the only preferred embodiment of the utility model not is used to limit the reality of the utility model
Apply range, i.e., it is all according to equivalent changes and modifications made by the utility model, it is all that the utility model claims range is covered,
Here it no longer illustrates one by one.
Claims (10)
1. a kind of double spectrum detection devices, including cabinet, which is characterized in that be equipped with gas compartment, ultraviolet light detection in the cabinet
Component and infrared light detection component, the ultraviolet photodetection assembly include ultraviolet source and UV detector, described ultraviolet
The ultraviolet light that light source generates is injected in gas compartment and is exported after multiple reflections to UV detector and accordingly detected, described
Infrared light detection component includes infrared light supply and infrared light detector, and the infrared light that the infrared light supply generates is injected in gas compartment
And it is accordingly detected through multiple reflections and exporting to infrared light detector, the ultraviolet photodetection assembly and infrared light detection group
Part can be worked at the same time or individually be worked.
2. a kind of double spectrum detection devices according to claim 1, which is characterized in that the gas compartment have air inlet and
Gas outlet, the air inlet and air outlet are set to gas compartment the same side and the air inlet and air outlet be respectively set in gas
The both ends of body room, and heat tracing pipe is provided at the air inlet and air outlet.
3. a kind of double spectrum detection devices according to claim 1, which is characterized in that be provided on the gas compartment ultraviolet
Optical window, ultraviolet reflectance mirror assembly is provided in the gas compartment, and the ultraviolet reflectance mirror assembly includes three pieces into triangular shape
The ultraviolet reflectance mirror of setting, the ultraviolet light through ultraviolet optics window injection after after three pieces of ultraviolet reflectance mirror multiple reflections again
It is exported by optical window to UV detector.
4. a kind of double spectrum detection devices according to claim 1, which is characterized in that be provided on the gas compartment infrared
Light inlet and infrared light-emitting window, infrared external reflection mirror assembly is provided in the gas compartment, and the infrared external reflection mirror assembly is two-phase
To the infrared parabolic mirror of setting, interferometer is additionally provided on the cabinet, infrared light is by interferometer and by infrared
Light inlet is incident upon in gas compartment and the multiple reflections between two infrared parabolic mirrors, finally by infrared light-emitting window project to
On infrared light detector.
5. a kind of double spectrum detection devices according to claim 2, which is characterized in that be provided with temperature control on the cabinet
Device, the temperature controller detect respectively and control the temperature in gas compartment and heat tracing pipe.
6. a kind of double spectrum detection devices according to claim 5, which is characterized in that the temperature controller includes temperature controller one
With temperature controller two, the outer surface of the gas compartment is provided with the heating plate being electrically connected with temperature controller one and temperature sensor one, institute
State that heating plate is set to the bottom of gas compartment and the heating plate is close to setting with the bottom surface of the gas compartment, outside the heat tracing pipe
Surface is provided with the heater strip being electrically connected with temperature controller two and temperature sensor two.
7. a kind of double spectrum detection devices according to claim 6, which is characterized in that the gas compartment and heat tracing pipe it is outer
Surface is coated with insulating layer.
8. a kind of double spectrum detection devices according to claim 1, which is characterized in that be additionally provided with and be used on the cabinet
The blower of cooling infrared light supply, the blower face infrared light supply setting.
9. a kind of double spectrum detection devices according to claim 1, which is characterized in that be inserted with and be used on the gas compartment
The transmitter of gas indoor oxygen content is acquired, one end of the transmitter is protruded into gas compartment.
10. a kind of double spectrum detection devices according to claim 9, which is characterized in that the cabinet is equipped with display screen,
The display screen is electrically connected with transmitter, UV detector and infrared light detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821267615.0U CN208459272U (en) | 2018-08-07 | 2018-08-07 | A kind of double spectrum detection devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821267615.0U CN208459272U (en) | 2018-08-07 | 2018-08-07 | A kind of double spectrum detection devices |
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| CN208459272U true CN208459272U (en) | 2019-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709867A (en) * | 2018-08-07 | 2018-10-26 | 杭州春来科技有限公司 | A kind of double spectrum detection devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709867A (en) * | 2018-08-07 | 2018-10-26 | 杭州春来科技有限公司 | A kind of double spectrum detection devices |
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